<?php
/**
 * Smarty read include path plugin
 *
 * @package    Smarty
 * @subpackage PluginsInternal
 * @author     Monte Ohrt
 */

/**
 * Smarty Internal Read Include Path Class
 *
 * @package    Smarty
 * @subpackage PluginsInternal
 */
class Smarty_Internal_Get_Include_Path {

	/**
	 * Return full file path from PHP include_path
	 *
	 * @param string $filepath filepath
	 *
	 * @return string|boolean full filepath or false
	 */
	public static function getIncludePath($filepath) {
		static $_include_path = null;

		if (function_exists('stream_resolve_include_path'))
		{
			// available since PHP 5.3.2
			return stream_resolve_include_path($filepath);
		}

		if ($_include_path === null)
		{
			$_include_path = explode(PATH_SEPARATOR, get_include_path());
		}

		foreach ($_include_path as $_path)
		{
			if (file_exists($_path . DS . $filepath))
			{
				return $_path . DS . $filepath;
			}
		}

		return false;
	}

}

?>
